Table 1. Characteristics of the CTS and non-CTS control populations.
| CTS (n=7,258) |
Non-CTS (n=469,328) |
p | ||
|---|---|---|---|---|
| Age at the start of the study (in 2003), years | <0.0001* | |||
| 40–49 | 3,570 (49.19) | 207,467 (44.21) | ||
| 50–59 | 2,334 (32.16) | 130,960 (27.90) | ||
| 60–69 | 1,156 (15.93) | 95,445 (20.34) | ||
| ≥70 | 198 (2.73) | 35,456 (7.55) | ||
| Sex | <0.0001* | |||
| Male | 1,668 (22.98) | 263,018 (56.04) | ||
| Female | 5,590 (77.02) | 206,310 (43.96) | ||
| Body mass index at the start of the study (in 2003), kg/m2 | <0.0001* | |||
| <18.5 | 75 (1.03) | 11,390 (2.43) | ||
| 18.5–22.9 | 2,166 (29.84) | 168,177 (35.83) | ||
| 23.0–24.9 | 2,003 (27.60) | 127,586 (27.18) | ||
| 25.0–29.9 | 2,698 (37.17) | 149,293 (31.81) | ||
| 30.0–35.0 | 316 (4.35) | 12,882 (2.74) | ||
| Comorbidities | ||||
| Diabetes mellitus | 963 (13.27) | 60,516 (12.89) | 0.3456 | |
| Rheumatoid arthritis | 647 (8.91) | 22,671 (4.83) | <0.0001* | |
| Gout | 88 (1.21) | 6,408 (1.37) | 0.2649 | |
| End-stage renal disease | 14 (0.19) | 1,271 (0.27) | 0.2039 | |
| Hypothyroidism | 121 (1.67) | 4,918 (1.05) | <0.0001* | |
| Raynaud's syndrome | 12 (0.17) | 284 (0.06) | 0.0004* | |
Data are presented as n (%).
*p<0.05.
CTS: carpal tunnel syndrome.